CN211841531U

CN211841531U - Mechanical clamp for workpiece polishing

Info

Publication number: CN211841531U
Application number: CN201922047221.5U
Authority: CN
Inventors: 吴凯强; 吴国韬
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-11-22
Filing date: 2019-11-22
Publication date: 2020-11-03
Anticipated expiration: 2029-11-22

Abstract

The utility model discloses a work piece is polished and is used mechanical fixture, including anchor clamps body, set casing, extrusion mechanism, push rod, compression balloon, first air guide groove, gas storage tank, spout, push away groove, reset spring, lubricating mechanism, air blowing mechanism, second air guide groove, leather plug, indent, compression spring, air blowing groove, lead screw. The utility model has the advantages that: make the push rod shake about in succession under the continuous rotation of lead screw, the push rod can extrude compression gasbag deformation in succession when shaking from top to bottom, thereby produce gaseous entering gas storage tank inside and deposit, when atmospheric pressure reached certain pressure, gas can promote the leather stopper and slide in the indent inside, thereby make gas blow groove and second air guide groove intercommunication, make gas blow the dust removal to the lead screw through the gas blow groove, make the adnexed iron fillings of lead screw lateral wall unrestrained, make the lead screw can not block and die, shake under the upper and lower of push rod simultaneously, make the inside lubricating oil of lubricated mechanism lubricate the lead screw, thereby the life of lead screw has been prolonged.

Description

Mechanical clamp for workpiece polishing

Technical Field

The utility model relates to a mechanical fixture specifically is a work piece is polished and is used mechanical fixture, belongs to anchor clamps technical field.

Background

The jig is a device for fixing a processing object to occupy a correct position for receiving construction or inspection in a machine manufacturing process, and is also called a jig. In a broad sense, any device used to quickly, conveniently and safely mount a workpiece at any stage in a process may be referred to as a jig.

However, the traditional clamp is driven by the screw rod to enable the two clamping plates to be close to each other, so that a workpiece is clamped, when the workpiece is polished, a large amount of dust is attached to the side wall of the screw rod, the screw rod is easily clamped, and the clamp cannot be normally used.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a work piece is polished and is used mechanical fixture just in order to solve above-mentioned problem, is convenient for blow to the anchor clamps lead screw and removes dust and lubricate, has prolonged the life of lead screw.

The utility model realizes the purpose through the following technical scheme, a mechanical clamp for polishing a workpiece, which comprises a clamp body and a screw rod arranged inside the clamp body, wherein the screw rod is in threaded connection with the clamp body; a fixed shell is installed on one side of the top of the clamp body, an extrusion mechanism is installed inside the fixed shell and comprises a push rod, a compression air bag, a first air guide groove, an air storage groove, a sliding groove, a pushing groove and a return spring, the sliding groove is formed inside the fixed shell, the compression air bag is installed inside the sliding groove, and the compression air bag is connected with the inside of the sliding groove in a sliding manner; the push groove is formed in the bottom side of the inner part of the fixed shell and communicated with the sliding groove; the reset spring and the push rod are installed in the push groove, and one end of the push rod penetrates through the inside of the reset spring and is fixedly connected with the compression air bag; the other end of the push rod penetrates through the bottom of the fixed shell and is abutted against the side wall of the screw rod, and the push rod is connected with the inside of the push groove in a sliding mode through the reset spring; the top of the compression air bag is provided with the first air guide groove, one side of the inside of the fixed shell is provided with the air storage groove, and the compression air bag is communicated with the inside of the air storage groove through the first air guide groove; the air blowing mechanism is arranged in the fixing shell and comprises a second air guide groove, a leather plug, a pressure groove, a compression spring and an air blowing groove, the pressure groove is arranged in the fixing shell, the second air guide groove is arranged at one end of the pressure groove, and the pressure groove is communicated with the interior of the air storage groove through the second air guide groove; the leather plug is arranged in the pressure groove and is in sliding connection with the inside of the pressure groove; one end of the leather plug is abutted against one side of the pressure groove, the other end of the leather plug is provided with the compression spring, and one end of the compression spring is fixedly connected with the other side of the pressure groove; the side wall of the pressure groove is provided with the air blowing groove, and the other end of the air blowing groove extends to the outer side of the bottom of the fixed shell; and a lubricating mechanism is arranged on the other side in the fixed shell.

Preferably, in order to enable the push rod to shake up and down under the driving of the screw rod, the fixed shell is of a rectangular structure, and the distance between the fixed shell and the screw rod is smaller than the length of the push rod.

Preferably, in order to make the push rod can be better the messenger the compression gasbag is stretched out and drawn back and is blown, the compression gasbag is the cylinder type structure, the diameter of spout is greater than the diameter of compression gasbag, just the diameter of compression gasbag is greater than the top diameter of push rod.

Preferably, in order to make the lead screw is right the push rod is contradicted to make the lead screw shake from top to bottom, the push rod is the cylinder type structure, the bottom of push rod is the arc structure, just the bottom diameter of push rod with the pitch of lead screw equals.

Preferably, in order to facilitate intermittent lubrication of the lead screw, the lubricating mechanism comprises an oil storage tank, an oil inlet hole, an oil outlet tank and an oil guide tank, the oil storage tank is arranged on the other side inside the fixed shell, the oil inlet hole is formed in the top of the oil storage tank, one end of the oil inlet hole is communicated with the inside of the oil storage tank, and the other end of the oil inlet hole extends to the outer side of the top of the fixed shell; the oil outlet groove is formed in the fixed shell, one end of the oil outlet groove is communicated with the inside of the oil storage groove, and the other end of the oil outlet groove extends to the side wall of the push groove; the inside of push rod is equipped with lead the oil groove, the one end of leading the oil groove extends to the lateral wall of push rod, the other end of leading the oil groove extends to the bottom outside of push rod.

Preferably, in order to make the inside lubricating oil of oil outlet groove can better get into inside the oil guide groove, the length of oil guide groove is less than the length of push rod, just the inside diameter of oil guide groove is greater than the inside diameter of oil outlet groove.

The utility model has the advantages that: the screw rod is rotated to drive the clamp body to carry out clamping work, the whole screw rod can move to one side when the screw rod rotates, the screw pitch of the side wall of the screw rod can resist the push rod to move up and down when the screw rod moves, the push rod is always kept to resist the side wall of the screw rod under the action of the reset spring, so that the push rod can continuously shake up and down under the continuous rotation of the screw rod, the push rod can continuously extrude and compress the deformation of the air bag while shaking up and down, so that generated gas enters the gas storage tank to be stored, when the gas pressure reaches a certain pressure, the gas can push the leather plug to slide in the pressure tank, so that the gas blowing tank is communicated with the second gas guide tank, the gas blows and removes dust to the screw rod through the gas blowing tank, thereby scrap iron attached to the side wall of the screw rod is sprinkled, the screw rod cannot be clamped, and simultaneously under the up and down shaking, thereby prolonging the service life of the screw rod.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of a connection structure between the fixture body and the fixing case shown in FIG. 1;

fig. 3 is an enlarged view of the portion a shown in fig. 2.

In the figure: 1. the clamp comprises a clamp body, 2, a fixed shell, 3, an extrusion mechanism, 31, a push rod, 32, a compression air bag, 33, a first air guide groove, 34, an air storage groove, 35, a sliding groove, 36, a push groove, 37, a return spring, 4, a lubricating mechanism, 41, an oil storage groove, 42, an oil inlet hole, 43, an oil outlet groove, 44, an oil guide groove, 5, an air blowing mechanism, 51, a second air guide groove, 52, a leather plug, 53, a pressure groove, 54, a compression spring, 55, an air blowing groove, 6 and a screw rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, a mechanical clamp for polishing a workpiece includes a clamp body 1 and a screw rod 6 installed inside the clamp body 1, wherein the screw rod 6 is in threaded connection with the clamp body 1; a fixed shell 2 is installed on one side of the top of the clamp body 1, an extrusion mechanism 3 is installed inside the fixed shell 2, the extrusion mechanism 3 comprises a push rod 31, a compression air bag 32, a first air guide groove 33, an air storage groove 34, a sliding groove 35, a push groove 36 and a return spring 37, the sliding groove 35 is arranged inside the fixed shell 2, the compression air bag 32 is installed inside the sliding groove 35, and the compression air bag 32 is connected with the inside of the sliding groove 35 in a sliding manner; the push groove 36 is arranged at the bottom side of the inner part of the fixed shell 2, and the push groove 36 is communicated with the sliding groove 35; the return spring 37 and the push rod 31 are installed inside the push groove 36, and one end of the push rod 31 penetrates through the return spring 37 and is fixedly connected with the compression air bag 32; the other end of the push rod 31 penetrates through the bottom of the fixed shell 2 and abuts against the side wall of the screw rod 6, and the push rod 31 is in sliding connection with the inside of the push groove 36 through the return spring 37; the top of the compression air bag 32 is provided with the first air guide groove 33, one side of the inside of the fixed shell 2 is provided with the air storage groove 34, and the compression air bag 32 is communicated with the inside of the air storage groove 34 through the first air guide groove 33; the inside of the fixed shell 2 is provided with an air blowing mechanism 5, the air blowing mechanism 5 comprises a second air guide groove 51, a leather plug 52, a pressure groove 53, a compression spring 54 and an air blowing groove 55, the pressure groove 53 is arranged inside the fixed shell 2, one end of the pressure groove 53 is provided with the second air guide groove 51, and the pressure groove 53 is communicated with the inside of the air storage groove 34 through the second air guide groove 51; the leather plug 52 is arranged in the pressure groove 53, and the leather plug 52 is connected with the pressure groove 53 in a sliding manner; one end of the leather plug 52 is abutted against one side of the pressure groove 53, the other end of the leather plug 52 is provided with the compression spring 54, and one end of the compression spring 54 is fixedly connected with the other side of the pressure groove 53; the side wall of the pressure groove 53 is provided with the air blowing groove 55, and the other end of the air blowing groove 55 extends to the outside of the bottom of the fixed shell 2; and a lubricating mechanism 4 is arranged on the other side in the fixed shell 2.

As a technical optimization scheme of the utility model, set casing 2 is the rectangle structure, set casing 2 with distance between the lead screw 6 is less than the length of push rod 31.

As a technical optimization scheme of the utility model, compression gasbag 32 is the cylinder type structure, the diameter of spout 35 is greater than compression gasbag 32's diameter, just compression gasbag 32's diameter is greater than push rod 31's top diameter.

As a technical optimization scheme of the utility model, push rod 31 is cylinder type structure, the bottom of push rod 31 is the arc structure, just the bottom diameter of push rod 31 with the pitch of lead screw 6 equals.

As a technical optimization scheme of the present invention, the lubricating mechanism 4 includes an oil storage tank 41, an oil inlet 42, an oil outlet 43 and an oil guide groove 44, the oil storage tank 41 is disposed on the other side of the inside of the stationary casing 2, the oil inlet 42 is disposed on the top of the oil storage tank 41, one end of the oil inlet 42 is communicated with the inside of the oil storage tank 41, and the other end of the oil inlet 42 extends to the outside of the top of the stationary casing 2; the oil outlet groove 43 is arranged in the fixed shell 2, one end of the oil outlet groove 43 is communicated with the inside of the oil storage groove 41, and the other end of the oil outlet groove 43 extends to the side wall of the push groove 36; the inside of push rod 31 is equipped with lead oil groove 44, lead the one end of oil groove 44 and extend to the lateral wall of push rod 31, lead the other end of oil groove 44 and extend to the bottom outside of push rod 31.

As a technical optimization scheme of the utility model, lead the length of oil groove 44 and be less than the length of push rod 31, just lead the inside diameter of oil groove 44 and be greater than the inside diameter of oil groove 43.

When the utility model is used, firstly, when the clamp body 1 works, the screw rod 6 is rotated to drive the clamp body 1 to carry out clamping work, the whole screw rod 6 can move to one side when the screw rod 6 rotates, the screw pitch of the side wall of the screw rod 6 can be collided with the push rod 31 to move up and down when the screw rod 6 moves, the push rod 31 can be always kept to be collided with the side wall of the screw rod 6 under the action of the reset spring 37, so that the push rod 31 can continuously shake up and down under the continuous rotation of the screw rod 6, the push rod 31 can continuously extrude the compression air bag 32 to deform while shaking up and down, thereby the generated gas enters the air storage groove 34 to be stored, when the air pressure reaches a certain pressure, the gas can push the leather plug 52 to slide in the pressure groove 53, thereby the air blowing groove 55 is communicated with the second air guide groove 51, and the gas can blow through the air blowing groove 55, thereby make the adnexed iron fillings of lead screw 6 lateral wall unrestrained, make lead screw 6 can not block and die, shake down simultaneously about push rod 31, make the oil groove 44 of leading of push rod 31 lateral wall form the break-make with oil outlet tank 43, the inside lubricating oil of oil storage tank 41 lubricates lead screw 6 through the oil groove 44 of leading of push rod 31 lateral wall through oil outlet tank 43 intermittence to the life of lead screw 6 has been prolonged.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a work piece is polished and is used mechanical fixture, includes anchor clamps body (1) and install in inside lead screw (6) of anchor clamps body (1), its characterized in that: the screw rod (6) is in threaded connection with the clamp body (1); a fixed shell (2) is installed on one side of the top of the clamp body (1), an extrusion mechanism (3) is installed inside the fixed shell (2), the extrusion mechanism (3) comprises a push rod (31), a compression air bag (32), a first air guide groove (33), an air storage groove (34), a sliding groove (35), a push groove (36) and a return spring (37), the sliding groove (35) is arranged inside the fixed shell (2), the compression air bag (32) is installed inside the sliding groove (35), and the compression air bag (32) is connected with the inside of the sliding groove (35) in a sliding mode; the push groove (36) is formed in the bottom side of the inner part of the fixed shell (2), and the push groove (36) is communicated with the sliding groove (35); the return spring (37) and the push rod (31) are installed in the push groove (36), and one end of the push rod (31) penetrates through the return spring (37) and is fixedly connected with the compression air bag (32); the other end of the push rod (31) penetrates through the bottom of the fixed shell (2) and is abutted against the side wall of the screw rod (6), and the push rod (31) is in sliding connection with the inside of the push groove (36) through the return spring (37); the top of the compression air bag (32) is provided with the first air guide groove (33), one side of the inside of the fixed shell (2) is provided with the air storage groove (34), and the compression air bag (32) is communicated with the inside of the air storage groove (34) through the first air guide groove (33); the air blowing mechanism (5) is installed inside the fixed shell (2), the air blowing mechanism (5) comprises a second air guide groove (51), a leather plug (52), a pressure groove (53), a compression spring (54) and an air blowing groove (55), the pressure groove (53) is arranged inside the fixed shell (2), the second air guide groove (51) is arranged at one end of the pressure groove (53), and the pressure groove (53) is communicated with the inside of the air storage groove (34) through the second air guide groove (51); the leather plug (52) is arranged in the pressure groove (53), and the leather plug (52) is connected with the pressure groove (53) in a sliding manner; one end of the leather plug (52) is abutted against one side of the pressure groove (53), the other end of the leather plug (52) is provided with the compression spring (54), and one end of the compression spring (54) is fixedly connected with the other side of the pressure groove (53); the side wall of the pressure groove (53) is provided with the air blowing groove (55), and the other end of the air blowing groove (55) extends to the outer side of the bottom of the fixed shell (2); and a lubricating mechanism (4) is arranged on the other side in the fixed shell (2).

2. The mechanical clamp for grinding a workpiece as set forth in claim 1, wherein: the fixed shell (2) is of a rectangular structure, and the distance between the fixed shell (2) and the screw rod (6) is smaller than the length of the push rod (31).

3. The mechanical clamp for grinding a workpiece as set forth in claim 1, wherein: the compression air bag (32) is of a cylindrical structure, the diameter of the sliding groove (35) is larger than that of the compression air bag (32), and the diameter of the compression air bag (32) is larger than that of the top of the push rod (31).

4. The mechanical clamp for grinding a workpiece as set forth in claim 1, wherein: the push rod (31) is of a cylindrical structure, the bottom of the push rod (31) is of an arc-shaped structure, and the diameter of the bottom of the push rod (31) is equal to the thread pitch of the screw rod (6).

5. The mechanical clamp for grinding a workpiece as set forth in claim 1, wherein: the lubricating mechanism (4) comprises an oil storage tank (41), an oil inlet hole (42), an oil outlet groove (43) and an oil guide groove (44), the oil storage tank (41) is arranged on the other side of the inside of the fixed shell (2), the oil inlet hole (42) is arranged at the top of the oil storage tank (41), one end of the oil inlet hole (42) is communicated with the inside of the oil storage tank (41), and the other end of the oil inlet hole (42) extends to the outer side of the top of the fixed shell (2); the oil outlet groove (43) is formed in the fixed shell (2), one end of the oil outlet groove (43) is communicated with the inside of the oil storage groove (41), and the other end of the oil outlet groove (43) extends to the side wall of the push groove (36); the inside of push rod (31) is equipped with lead oil groove (44), the one end of leading oil groove (44) extends to the lateral wall of push rod (31), the other end of leading oil groove (44) extends to the bottom outside of push rod (31).

6. The mechanical clamp for grinding a workpiece as set forth in claim 5, wherein: the length of the oil guide groove (44) is smaller than that of the push rod (31), and the inner diameter of the oil guide groove (44) is larger than that of the oil outlet groove (43).